Celestion CN1025B
10-inch cast aluminium chassis, neodymium magnet mid/bass driver
| Brand | Celestion |
| Model | CN1025B |
| Kind | |
| Nominal diameter (mm) | 254 |
| Impedance (Ω) | 16 |
| Rated power (W) | 250 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 99 |
| Frequency response | 60 Hz – 5000 Hz |
| Resonance frequency, fs (Hz) | 79.5 |
| DC resistance, Re (Ω) | 10.76 |
| Mechanical Q, Qms | 3.27 |
| Electrical Q, Qes | 0.409 |
| Total Q, Qts | 0.364 |
| Equivalent volume, Vas (l) | 21.65 |
| Effective piston area, Sd (cm²) | 346.36 |
| Moving mass, Mms (g) | 31.45 |
| Force factor, BL (T·m) | 20.31 |
| Voice coil inductance, Le (mH) | 0.75 |
| Linear excursion, Xmax (mm) | 2.1 |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 64 |
| Cutout diameter (mm) | 233 |
| Mounting depth (mm) | 119 |
| Cone material | Treated paper |
| Magnet material | Neodymium |
| Weight (kg) | 2.96 |